Scripts in `bin/` are missing copyrights

[c-dilks]

Environment: (where does this bug occur, have you tried other environments)

• Which branch (main for latest released): main

Steps to reproduce: (give a step by step account of how to trigger the bug)

Scripts in bin/ are missing copyrights, and they are also not caught by the spdx test in #319.

[c-dilks]

Macros in macro/ also lack copyrights

[c-dilks]

And templates/... but where do we draw the line...